Top Rated Gas Line Installation And Repair Companies Serving Marin County, CA

If you really care about choosing a quality gas line installation and repair company, we’re here for you. Here’s your access to the best gas line installation and repair companies serving Marin County including 94901, 94941, 94903, 94947 and 94945. These gas line experts provide gas line relocation and gas dryer connectors, and they also work on PEX fittings, gas line venting and gas line maintenance. For 22 years we’ve conducted the most accurate ratings and deepest research of local companies, so you’ll be confident in choosing.

  • Last Updated Dec 05, 2025
  • 831 people sourced companies in Gas Line Installation & Repair
    381 Verified Gas Line Installation & Repair Customers Surveyed
381
831
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Benjamin Franklin Plumbing

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Benjamin Franklin Plumbing provides trusted residential plumbing services and repairs throughout the Greater Bay Area. From fixing drains, sinks, toil...
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Main Services

Plumbing
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Additional Services

Plumbing Service & Repair, Drain Cleaning, Repiping, Sewer Cleaning & Replacement, Solar & Tankless Water Heaters

Brands

Navien

Coverage Areas

The Greater Bay Area

Established in 2001
Established in 2001
Senior Discount
Senior Discount
Residential & Commercial
Residential & Commercial
Weekend Hours
Weekend Hours
Diamond Certified Video Profile
Plumbing - Benjamin Franklin Plumbing - The Greater Bay Area
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Diamond Certified Company Report
Daniel Gagne, Owner-Benjamin Franklin Plumbing
Daniel Gagne, Owner
Expert Contributions
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  • 368
  • Rating Surveys
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  • 31
  • Photos
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  • 5
  • Researched Articles
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    Hours CLOSED NOW
    License:
    857357
    2 of 3

    Mike Testa Plumbing, Inc.

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    Mike Testa Plumbing, Inc. provides a variety of general plumbing services for residential, commercial and industrial clients throughout Marin County. ...
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    Main Services

    Plumbing
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    Additional Services

    Residential/Commercial, Line Locating, New Construction/Remodels, Service/Repair, Drain Cleaning, Repiping, Sewer Video Inspection, Leak Detection, Backflow Testing, Water Heaters

    Brands

    Insinkerator, Kohler, Moen, State Water Heaters, TOTO, Navien, Hansgrohe, Grohe, Bradford White, A. O. Smith

    Coverage Areas

    Marin County, Surrounding Communities

    Established in 1989
    Established in 1989
    Free Estimates
    Free Estimates
    Appointments Available
    Appointments Available
    Live Phone Call Answers
    Live Phone Call Answers
    Diamond Certified Video Profile
    Plumbing - Mike Testa Plumbing, Inc. - Marin County
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    Diamond Certified Company Report
    Mike Testa, Owner-Mike Testa Plumbing, Inc.
    Mike Testa, Owner
    Expert Contributions
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    • 679
    • Rating Surveys
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    • 6
    • Photos
      & Videos
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    • 5
    • Researched Articles
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      4244 Redwood Hwy, San Rafael, CA 94903
      Hours CLOSED NOW
      License:
      519618
      3 of 3

      Mason Plumbing, Inc.

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      Mason Plumbing, Inc. provides a wide range of plumbing maintenance and repair services for residential and commercial clients throughout Marin County....
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      Main Services

      Plumbing
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      Additional Services

      Plumbing Maintenance & Repair, Sewer & Drain Cleaning, Video Pipe Inspections, Tankless Water Heaters

      Brands

      American Standard, Bradford White, Delta, Grohe, Insinkerator, Jacuzzi, Pfister, Rinnai, Takagi, TOTO

      Coverage Areas

      Marin County

      Family Owned
      Family Owned
      Residential & Commercial
      Residential & Commercial
      Free Estimates
      Free Estimates
      Live Phone Call Answers
      Live Phone Call Answers
      Diamond Certified Video Profile
      Plumbing - Mason Plumbing, Inc. - Marin County
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      Diamond Certified Company Report
      Cameron Mason, CEO-Mason Plumbing, Inc.
      Cameron Mason, CEO
      Expert Contributions
      ratings icon
      • 252
      • Rating Surveys
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      • 6
      • Photos
        & Videos
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      • 5
      • Researched Articles
        • Quick Connect
        Hours CLOSED NOW
        License:
        817803
        Learn how to choose a Gas Line Installation & Repair and more…
        Diamond Certified Gas Line Installation And Repair Companies In Marin County

        Diamond Certified gas line installation and repair companies serving Marin County are rated an average of 4.6 out of 5 stars based on 1576 reviews of 12 rated gas line installation and repair companies.
        Diamond Certified gas line installation and repair companies in Marin County Avg. Star Rating.

          Map of Marin County, CA

          Marin County was founded in 1775, and today, your 252,409 neighbors use gas line installation and repair companies for gas line odor detection, gas line venting, gas line relocation, gas line leak detection, gas pipe fitting, and more.

          Frequently Asked Questions for Gas Line Installation & Repair in Marin, CA
          Q: What are clients of Diamond Certified gas line installation and repair companies saying about companies in Marin County, CA?
          A: Verified Mike Testa Plumbing, Inc. Customer, one of 659
          "I have referred them to several people, and I am very satisfied with their work. They responded really quickly and did not make any excuses as to scheduling, etc. " -Deborah B.
          All Survey Responses for Mike Testa Plumbing, Inc.
          Verified Roman's Plumbing, Inc. Customer, one of 287
          "They are very competent and the technician did a great job. It was an emergency and they took care of it. They are very sales oriented and pay close attention to what is recommended. They came to my rescue when I needed them." -Chris F.
          All Survey Responses for Roman's Plumbing, Inc.
          Verified Benjamin Franklin Plumbing Customer, one of 349
          "The company is great. They are professional, they know what they are doing, and they have good prices. They come out within 24 hours. Most of the time, I need them because of an emergency, so they are the best for that." -Marge S.
          All Survey Responses for Benjamin Franklin Plumbing
          Verified Mason Plumbing, Inc. Customer, one of 252
          "I would recommend them. They can do the work. They are clean and do a good job." -Wesley B.
          All Survey Responses for Mason Plumbing, Inc.
          Q: What are some of the most popular brands that Diamond Certified gas line installation and repair companies use when working with Marin County residents?
          A: Diamond Certified gas line installation and repair companies use top-quality brands like Elster Perfection, Pro Flex, Everflow Supplies, Wal-Rich Corporation and Ridgid.
          Q: What types of gas line troubleshooting do gas line installation and repair companies offer?
          A: Gas line installation and repair companies offer a wide range of gas line troubleshooting services. They can diagnose and repair problems like gas leaks, corrosion, blockages or clogs, pressure issues, improper installation, outdated lines, and damaged lines due to external factors like weather or accidents. They also check the efficiency of the gas system, ensure proper venting, and verify that all components are in compliance with safety codes and regulations. Additionally, they can provide regular maintenance to prevent future issues.
          Q: Can Diamond Certified gas line installation and repair companies work with Honeywell products and similar items so I can get gas line relocation in Marin County?
          A: Yes, Diamond Certified gas line installation and repair companies can work with Honeywell products and similar items for gas line relocation in Marin County.
          Q: What did people search for when they wanted to find the best quality gas line installation and repair companies in Marin County?
          A: Gas Line System Upgrades
          Gas Line Installation
          Gas Line Maintenance
          Gas Line Maintenance
          Gas Line Odor Detection

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          Diamond Certified Companies Serving Marin, CA

          View the Full Diamond Certified Guide to Gas Line Installation & Repair